Top Engineering Jobs in Sydney, NSW

Build backend services and financial workflows connecting cash, yield, lending, payments, card spending, and collections. Develop reliable infrastructure, reconciliation controls, ledgers, APIs, integrations, automated tests, observability, and production services. Collaborate with product, infrastructure, design, and engineering teams to deliver scalable, maintainable financial systems from design through production. The role is based in Sydney and involves shaping the technical foundations of a new business accounts platform.

Build backend systems for Airwallex’s Business Accounts and Yield products. Own investment workflows including signup, investment, and redemption, while developing reconciliation controls, unit registries, and investment ledgers. Shape distributed-systems architecture, APIs, integrations, observability, and automated testing. Collaborate with Product, Infrastructure, Design, and external investment providers to deliver reliable financial infrastructure. This role is based in the Sydney office three days per week.

Lead global corporate and cloud network architecture and roadmap. Design, deploy and operate secure, highly available hybrid LAN/WAN/Wi‑Fi/VPN across multi‑cloud and multi‑region sites. Own incident response, vendor hardware configuration, international connectivity (including China), infrastructure-as-code automation, documentation, mentoring, and participate in global on‑call rotations.

Lead pre-sales discovery and design of scalable payments solutions for strategic enterprise customers. Build executive relationships, own RFPs and proofs-of-concept, guide end-to-end integrations and onboarding, troubleshoot complex API interactions, inform product, and ensure compliant, timely implementations.

Lead and mentor engineers to design, build, and maintain scalable automation and onboarding systems. Implement AI/data-driven risk detection, collaborate with product/ops/compliance, drive architecture and reliability, and improve operational efficiency.

Lead architecture and deliver backend systems for Business Accounts, building investment workflows, reconciliation controls, unit registries, and ledgers. Ensure reliable integrations with external investment providers, promote observability and API design best practices, and collaborate with Product, Infrastructure, and Design to ship production-grade financial infrastructure.